@article{paperid:1085915, author = {Garousi, Mohammad Reza}, title = {O(25, 25) symmetry of bosonic string theory at order $$\alpha '^2$$}, journal = {The European Physical Journal C}, year = {2021}, volume = {81}, number = {8}, month = {August}, issn = {1434-6052}, keywords = {Effective action; T-duality; Cosmological eduction}, }